Datasheet > G5131

G5131

更新时间： 2022-03-04 07:07:13

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致新 - GMT		转换器
页数	文件大小	规格书
11页	610K
描述
PSM Step-up DC/DC Converter

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G5131 数据手册

Global Mixed-mode Technology Inc.

G5130/G5131

PSM Step-up DC/DC Converter

Features

General Description

The G5130/G5131 boost converter is designed for use

1~4 Cell Alkaline Battery Operating Range

Output Voltage Range: 2.5V~5.0V in 0.1V In-

crements

Minimum External Component (L, D, C)

100kHz Max. Oscillation Frequency

75% Duty Ratio

of main power source on portable equipments.

It consist of an oscillator, PSM control logic circuit, an

embedded power MOS (LX switch), accurate voltage

reference, error amplifier, feedback resistors, and LX

protection circuit.

Up to 80% Efficiency

±2% High Output Voltage Accuracy

< 100ppm/°C Temperature Coefficient

SOT-89 and SOT-23-5 Small Packages

Only 3 external components (includes 1 inductor, 1

diode and 1 capacitor) are needed to construct the

power application.

For larger output power application, G5131 can be

used to drive an external NPN device for more input

current.

Applications

Power Source for Portable Equipments

Handheld Computers, Palmtops

Digital Still Cameras, Camcorders

Cellular Phones, Pagers

Portable Multimedia Players

Pin Configuration

Typical Application Circuit

1N5819

G5130

27µH~120µH

V_OUT

2.5V~5.0V

Step 0.1V

Top View

VOUT

GND

V_IN

Battery

22µF~100µF

SOT-89

1N5819

27µH~120µH

V_IN

G5131

Battery

V_OUT

2.5V~5.0V

Step 0.1V

EXT

VOUT

GND

22µF~100µF

SOT-23-5

TEL: 886-3-5788833

http://www.gmt.com.tw

Ver: 0.5 Preliminary

Aug 18, 2006

12 3 4 5 6 7...11

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